Failure to install a back box for your in ceiling speakers will dilute the sound quality and lead to noise pollution in other areas of your home.
Do in ceiling speakers need a box.
It serves a soundproofing function improves audio and protects your speakers.
Most work very well without a back box but some require one or alternatively some kind of compartmenting in the wall or ceiling around it.
You will need a little knowledge about the ceiling space wiring and pipes and you will also need to check with building inspectors regarding fire safety risks in some states.
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It usually is not very rigid has no acoustical material inside of it and it hasn t been designed with the proper internal volume needed for best bass performance with no adherence to the theile small parameters of loudspeaker design.
A back box is usually a flimsy plastic box that fits behind the speaker in the wall or ceiling.
With a backbox you protect the investment of built in speakers and keep sound localized.
Any time you put a speaker in your wall or ceiling you should use a backbox.
Do ceiling speakers need mains power.
This is achieved by wiring each ceiling speaker up to the binding posts on the amp.
It entirely depends on the speaker.
But do these in ceiling speakers need a backbox with them.
The main thing to consider is how many channels you will have and how many speakers would be optimal for the space you are hoping to fill with audio.
So do in ceiling speakers need a backbox.